Linaro GCC

Blueprint assignments for “4.6”

  1. Series 4.6
  2. Assignments

This listing shows the assignment of work for blueprints currently associated with 4.6. The drafter is responsible for getting the specification correctly written up and approved. The approver is usually the person who would sign off on the specification.

1 → 78 of 78 specifications First • Previous • Next • Last
Priority Name Definition Delivery Assignee Drafter Approver
4 High 64 bit sync primitives 0 Approved 11 Implemented Dr. David Alan Gilbert Dr. David Alan Gilbert Michael Hope
4 High Conditional compares 0 Approved 11 Implemented Ramana Radhakrishnan Ramana Radhakrishnan Michael Hope
4 High Fix widening multiply scheduling 0 Approved 11 Implemented Ramana Radhakrishnan Ramana Radhakrishnan Michael Hope
4 High Forward port the patches from Linaro GCC 4.5 to 4.6 0 Approved 11 Implemented Michael Hope Michael Hope
4 High Backport any Tuning for other ARM cores from upstream 0 Approved 11 Implemented Ramana Radhakrishnan Michael Hope
4 High Improve constant generation in Thumb-2 0 Approved 11 Implemented Andrew Stubbs Andrew Stubbs Michael Hope
4 High Make -fsched-pressure a more consistent win 0 Approved 11 Implemented Ulrich Weigand Richard Sandiford Michael Hope
4 High Check common programs for areas the vectoriser could improve 0 Approved 12 Informational Michael Hope Michael Hope
4 High Linaro GCC the product 0 Approved 11 Implemented Andrew Stubbs Michael Hope Michael Hope
4 High NEON performance for 11.11 0 Approved 11 Implemented Ira Rosen Ira Rosen Michael Hope
4 High Thumb-2 performance for 11.11 0 Approved 11 Implemented Ramana Radhakrishnan Michael Hope
4 High Fix any NEON vs core regressions 0 Approved 12 Informational Michael Hope Michael Hope
4 High Reduce over-promotion 0 Approved 11 Implemented Ira Rosen Ira Rosen Michael Hope
4 High Reduce redundant VFP/ARM moves 0 Approved 11 Implemented Ramana Radhakrishnan Ramana Radhakrishnan Michael Hope
4 High Improve SLP data analysis 0 Approved 11 Implemented Ira Rosen Richard Sandiford Michael Hope
4 High Improve SMS on code with memory dependencies 0 Approved 12 Informational Michael Hope Michael Hope
4 High Track and investigate performance regression areas for GCC 0 Approved 12 Informational Ramana Radhakrishnan Michael Hope
4 High Improve support for widening multiplies for ARM 0 Approved 11 Implemented Andrew Stubbs Andrew Stubbs Michael Hope
4 High Tidy vectoriser testsuite 0 Approved 11 Implemented Ira Rosen Ira Rosen Michael Hope
4 High Vectoriser doubling multiply support 0 Approved 11 Implemented Ira Rosen Ira Rosen Michael Hope
4 High Initial bring up so that toolchain can debug issues found via Android 0 Approved 11 Implemented Michael Hope Michael Hope Michael Hope
4 High Investigate libav inline assembly 4 Discussion 12 Informational Michael Hope Michael Hope
3 Medium 64 bit divide by constant 0 Approved 12 Informational Michael Hope Michael Hope
3 Medium 64 bit ones complement in NEON 0 Approved 11 Implemented Andrew Stubbs Michael Hope Michael Hope
3 Medium 64 bit operations 0 Approved 11 Implemented Ulrich Weigand Michael Hope Michael Hope
3 Medium 64 bit twos complement in NEON 0 Approved 11 Implemented Andrew Stubbs Michael Hope Michael Hope
3 Medium Backport A15 branch tuning 0 Approved 11 Implemented Michael Hope Michael Hope Michael Hope
3 Medium Backport conditional execution work 0 Approved 12 Informational Andrew Stubbs Michael Hope
3 Medium Backport double compare 0 Approved 11 Implemented Michael Hope Michael Hope Michael Hope
3 Medium Backport initial A7 support 0 Approved 11 Implemented Michael Hope Michael Hope Michael Hope
3 Medium Backport 64 bit multiply, divide, and mod improvements 0 Approved 11 Implemented Michael Hope Michael Hope Michael Hope
3 Medium Better 64 bit load immediate 0 Approved 11 Implemented Andrew Stubbs Michael Hope Michael Hope
3 Medium Better 64 bit shifts in core registers 0 Approved 11 Implemented Andrew Stubbs Michael Hope Michael Hope
3 Medium Better 64 bit shifts in NEON 0 Approved 11 Implemented Ulrich Weigand Michael Hope Michael Hope
3 Medium Better extending core to NEON transfers 0 Approved 11 Implemented Ulrich Weigand Michael Hope Michael Hope
3 Medium Fix EPILOGUE_USES regression in CoreMark 0 Approved 12 Informational Kugan Vivekanandarajah Ramana Radhakrishnan Michael Hope
3 Medium Generic tuning for all Cortex-A devices 0 Approved 12 Informational Ramana Radhakrishnan Michael Hope
3 Medium Improve constant pool support 0 Approved 12 Informational Ramana Radhakrishnan Michael Hope
3 Medium Improve IV opts #1 0 Approved 12 Informational Ramana Radhakrishnan Michael Hope
3 Medium Improve peeling 0 Approved 11 Implemented Ira Rosen Ira Rosen Michael Hope
3 Medium Improve the register choice in the allocator 0 Approved 12 Informational Ramana Radhakrishnan Michael Hope
3 Medium Native tuning 0 Approved 11 Implemented Andrew Stubbs Michael Hope
3 Medium Improve extraction of double vectors from quad vectors 0 Approved 11 Implemented Richard Sandiford Richard Sandiford Michael Hope
3 Medium NEON instruction coverage 0 Approved 12 Informational Michael Hope Michael Hope
3 Medium Improve extraction of vectors from strided loads 0 Approved 11 Implemented Ulrich Weigand Richard Sandiford Michael Hope
3 Medium NEON widening left shift 0 Approved 11 Implemented Ira Rosen Ira Rosen Michael Hope
3 Medium Profiler driven feedback 0 Approved 11 Implemented Michael Hope Ulrich Weigand Michael Hope
3 Medium Make SLP try different vector widths 0 Approved 11 Implemented Ira Rosen Richard Sandiford Michael Hope
3 Medium Implement SMS improvements for 1111 0 Approved 11 Implemented Ulrich Weigand Ramana Radhakrishnan Michael Hope
3 Medium SMS: support auto-inc 0 Approved 11 Implemented Revital Eres Revital Eres Michael Hope
3 Medium Support VCVT for fixed point/float 0 Approved 11 Implemented Ramana Radhakrishnan Michael Hope Michael Hope
3 Medium Linaro toolchain in Android 0 Approved 11 Implemented Ken Werner Michael Hope Michael Hope
3 Medium Unaligned struct access 0 Approved 11 Implemented Michael Hope Michael Hope Michael Hope
3 Medium Use vld1 for quad loads 0 Approved 11 Implemented Ulrich Weigand Michael Hope Michael Hope
3 Medium Widen default vector size 0 Approved 11 Implemented Ira Rosen Ira Rosen Michael Hope
3 Medium Write up building at O3 0 Approved 11 Implemented Michael Hope Michael Hope Michael Hope
3 Medium Investigate IV opts 4 Discussion 12 Informational Richard Sandiford Michael Hope
3 Medium Investigate NE10 4 Discussion 12 Informational Michael Hope Michael Hope
3 Medium Allow more operations to be SLPed 4 Discussion 11 Implemented Richard Sandiford Michael Hope
3 Medium Make SMS schedule the register moves that it creates 5 New 11 Implemented Richard Sandiford Richard Sandiford
3 Medium Better 64 bit multiply and divide 6 Superseded 5 Started Michael Hope Michael Hope Michael Hope
3 Medium Choose vector width automatically in SLP 6 Superseded 5 Started Ira Rosen Ira Rosen Michael Hope
3 Medium Improve sched-pressure for ARM 6 Superseded 11 Implemented Ulrich Weigand Michael Hope Michael Hope
2 Low Linaro GCC 4.6 in Distributions 0 Approved 11 Implemented Michael Hope Michael Hope Michael Hope
2 Low Add multiply pipeline bypass 0 Approved 12 Informational Michael Hope Michael Hope
2 Low <arm_neon.h>/intrinsics improvements 0 Approved 12 Informational Michael Hope Michael Hope
2 Low Improve vectoriser narrowing operations 0 Approved 12 Informational Ira Rosen Michael Hope
2 Low Deeper toolchain validation 0 Approved 11 Implemented Michael Hope Michael Hope
2 Low Reduce use of VMOV 0 Approved 11 Implemented Ulrich Weigand Richard Sandiford Michael Hope
2 Low Add backend support for NEON's VABD 0 Approved 11 Implemented Michael Hope Michael Hope Michael Hope
2 Low Linaro toolchain in Ubuntu 0 Approved 11 Implemented Michael Hope Michael Hope
2 Low Unaligned memcpy() 0 Approved 11 Implemented Michael Hope Michael Hope Michael Hope
2 Low Better multilib defaults 4 Discussion 12 Informational Michael Hope Michael Hope
0 Not ARMv5 saturating add/subract support 0 Approved 12 Informational Michael Hope
0 Not Add ARMv6 SIMD support 0 Approved 12 Informational Andrew Stubbs Loïc Minier
0 Not Improve block memory operations by GCC 0 Approved 12 Informational Ramana Radhakrishnan Michael Hope
0 Not Transform statics to locals 0 Approved 12 Informational Michael Hope Michael Hope
0 Not Investigate whether peeling is effective for neon 6 Superseded 1 Not started Michael Hope
1 → 78 of 78 specifications First • Previous • Next • Last